<template>
  <div class="luckWheel">
    <div class="lucky-wheel">
      <div class="lucky-title"></div>

      <div class="wheel-main">
        <div class="wheel-pointer-box">
          <div class="wheel-pointer" @click="rotate_handle()"
               :style="{transform:rotate_angle_pointer,transition:rotate_transition_pointer}"></div>
        </div>
        <div class="wheel-bg" :style="{transform:rotate_angle,transition:rotate_transition}">
          <div class="prize-list">
            <div class="prize-item " v-for="(item,index) in prize_list" :key="index"
                 :style="{'background-image':index%2==0?'url('+luckWheel1+')':'url('+luckWheel2+')','transform':'rotate('+(index*rotateDeg)+'deg)','width':''+17.5/prize_list.length+'rem','left':'calc(50% - '+17.5/prize_list.length/2+'rem)'}">
              <!--:style="'transform: rotate('+(index*rotateDeg)+'deg)'"-->
              <div class="prize-type">
                {{item.name}}
              </div>
              <div class="prize-count" v-if="item.name!='谢谢参与'">
                {{item.score}}
              </div>
            </div>
          </div>
        </div>
      </div>
      <div class="chance">今日您还有 <span>{{residue}}</span> 次参与机会哦～</div>
      <div class="lucky-wheel-main">
        <p>规则说明</p>
        <p v-html="rule"></p>
      </div>
    </div>

    <div class="toast" v-show="toast_control">
      <div class="toast-container">
        <img :src="toast_pictrue" class="toast-picture">
        <div class="close" @click="close_toast()"></div>
        <div class="toast-title">
          {{toast_title}}
        </div>
        <div class="toast-btn">
          <div class="toast-cancel" @click="close_toast">关闭</div>
        </div>
      </div>
    </div>
    <div class="toast-mask" v-show="toast_control"></div>
    <!--<div class="warning">-->
    <!--<div class="sector">-->
    <!--</div>-->
    <!--<div class="sector"></div>-->
    <!--<div class="sector"></div>-->
    <!--</div>-->
  </div>
</template>

<script>
  /**
   *
   * @Author zzl
   * @Date 2019/5/7 14:44.
   */
  import utils from '../../../lib/StringExtend'

  export default {
    mounted() {
      if (!utils.isNone(utils.getCookie('open_id_' + this.wechatId)) && !utils.isNone(this.wechat_id)) {
        this.loadData();
      } else if (!utils.isNone(utils.getCookie('open_id_' + this.wechatId))) {
        setTimeout(() => {
          this.loadData();
        }, 300)
      }
    },
    components: {},
    props: {},
    data() {
      return {
        residue: 0,//次数
        rotateDeg: 0, //角度
        rule: '',//规则
        easejoy_bean: 0, //金豆
        lottery_ticket: 0, //抽奖次数
        prize_list: [], //奖品列表
        toast_control: false, //抽奖结果弹出框控制器
        hasPrize: false, //是否中奖
        start_rotating_degree: 0, //初始旋转角度
        rotate_angle: 0, //将要旋转的角度
        start_rotating_degree_pointer: 0, //指针初始旋转角度
        rotate_angle_pointer: 0, //指针将要旋转的度数
        rotate_transition: "transform 6s ease-in-out", //初始化选中的过度属性控制
        rotate_transition_pointer: "transform 12s ease-in-out", //初始化指针过度属性控制
        click_flag: true, //是否可以旋转抽奖
        index: 0,
        result_angle: [0, 45, 90, 135, 180, 225, 270, 315], //最终会旋转到下标的位置所需要的度数
        luckWheel1: require("../../../assets/images/luckWheel1.png"),
        luckWheel2: require("../../../assets/images/luckWheel2.png"),

        wechatId: utils.getCookie('wechat_id'),
        wechat_id: this.$route.query.wechat_id,//公众号
      }
    },
    computed: {
      toast_title() {
        return this.hasPrize
          ? "恭喜您，获得" + this.prize_list[this.index].score
          : "未中奖";
      },
      toast_pictrue() {
        return this.hasPrize
          ? require("../../../assets/img/congratulation.png")
          : require("../../../assets/img/sorry.png");
      }
    },
    methods: {
      loadData() {
        let params = {
          open_id: utils.getCookie('open_id_' + this.wechatId)
        };
        this.$axios.luckWhellInfo(params).then((res) => {
          this.prize_list = res.data.list;
          this.residue = res.data.residue;
          var reg = new RegExp(" ", "g");
          this.rule = res.data.rule.replace(reg, '<br>');
          this.rotateDeg = 360 / res.data.list.length;
          this.result_angle = [];
          res.data.list.forEach((item, index) => {
            this.result_angle.push(this.rotateDeg * (res.data.list.length - index))
          });
        })
      },
      //此方法为处理奖品数据
      init_prize_list(list) {
      },
      rotate_handle() {
        if (this.residue == '0') {
          this.$toast('今日次数已用完，请明日再来哦～');
          return
        }
        if (!this.click_flag) return;
        let params = {
          open_id: utils.getCookie('open_id_' + this.wechatId)
        };
        this.$axios.luckTableClickBegin(params).then(res => {
          if (res.errcode !== '000') {
            this.$toast(res.errmsg);
            return;
          }
          this.residue = res.data.residue;
          this.prize_list.forEach((item, index) => {
            if (item.id == res.data.id) {
              this.index = index; //指定每次旋转到的奖品下标
              return;
            }
          });
          this.rotating(res.data.msg);
        });
      },
      //开始转
      rotating(code) {
        var type = 0; // 默认为 0  转盘转动 1 箭头和转盘都转动(暂且遗留)
        var during_time = 5; // 默认为1s
        var random = Math.floor(Math.random() * 7);
        var result_index = this.index; // 最终要旋转到哪一块，对应prize_list的下标
        var result_angle = this.result_angle;
        var rand_circle = 6; // 附加多转几圈，2-3
        this.click_flag = false; // 旋转结束前，不允许再次触发
        if (type === 0) {
          // 转动盘子
          var rotate_angle =
            this.start_rotating_degree +
            rand_circle * 360 +
            result_angle[result_index] -
            this.start_rotating_degree % 360;
          this.start_rotating_degree = rotate_angle;
          this.rotate_angle = "rotate(" + rotate_angle + "deg)";
          // // //转动指针
          // this.rotate_angle_pointer = "rotate("+this.start_rotating_degree_pointer + 360*rand_circle+"deg)";
          // this.start_rotating_degree_pointer =360*rand_circle;
          var that = this;
          // 旋转结束后，允许再次触发
          setTimeout(function () {
            that.click_flag = true;
            that.game_over(code);
          }, during_time * 1000 + 1500); // 延时，保证转盘转完
        } else {
          //
        }
      },
      game_over(code) {
        this.toast_control = true;
        this.hasPrize = code == '谢谢参与' ? false : true;
      },
      //关闭弹窗
      close_toast() {
        this.toast_control = false;
      }
    },
    watch: {},
    filters: {},
    beforeDestroy() {

    }
  }
</script>

<style lang="less" scoped>
  .luckWheel {
    width: 100%;
    height: 100%;

    .lucky-wheel {
      width: 100%;
      height: 100%;
      overflow: auto;
      background: #ee875a;
      background-size: 100%;
      padding-top: 0.44rem;
      box-sizing: border-box;
    }

    .lucky-title {
      width: 6.2rem;
      height: 1.9rem;
      margin: 0 auto;
      background: url("../../../assets/img/lucky_title.png") no-repeat center top;
      background-size: 100%;
    }

    .wheel-main {
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }

    .wheel-bg {
      width: 5.5rem;
      height: 5.5rem;
      background: url("../../../assets/img/draw_wheel.png") no-repeat center top;
      background-size: 100%;
      color: #fff;
      font-weight: 500;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-content: center;
      transition: transform 3s ease;
    }

    .wheel-pointer-box {
      position: absolute;
      top: 50%;
      left: 50%;
      z-index: 100;
      transform: translate(-50%, -60%);
      width: 2rem;
      height: 2rem;
    }

    .wheel-pointer {
      width: 2rem;
      height: 2rem;
      background: url("../../../assets/img/draw_btn.png") no-repeat center top;
      background-size: 100%;
      transform-origin: center 60%;
    }

    .wheel-bg div {
      text-align: center;
    }

    .prize-list {
      width: 90%;
      height: 90%;
      position: relative;
      overflow: hidden;
      margin: 0 auto;
      border-radius: 50%;
    }

    .prize-list .prize-item {
      position: absolute;
      top: 0;
      /*left: calc(50% - 0.875rem);*/
      z-index: 2;
      display: flex;
      flex-direction: column;
      justify-content: left;
      align-items: center;
      transform-origin: bottom center;
      background-repeat: no-repeat;
      background-size: 100% 100%;
      /*width: 0px;*/
      /*height: 0px;*/
      /*border: 1.2rem solid transparent;*/
      /*border-left-width: 0px;*/
      /*border-right: 150px solid transparent;*/
      /*transform-origin: 0px 50%;*/

    }

    /*.prize-list .prize-item:first-child {*/
    /*top: 0;*/
    /*left: 8.3125rem;*/
    /*transform: rotate(20deg);*/
    /*}*/
    /*.prize-list .prize-item:nth-child(2) {*/
    /*top: 2.8rem;*/
    /*left: 10.8rem;*/
    /*transform: rotate(67deg);*/
    /*}*/
    /*.prize-list .prize-item:nth-child(3) {*/
    /*top: 6.4rem;*/
    /*left: 10.6rem;*/
    /*transform: rotate(-250deg);*/
    /*}*/
    /*.prize-list .prize-item:nth-child(4) {*/
    /*top: 9rem;*/
    /*left: 8.2125rem;*/
    /*transform: rotate(-210deg);*/
    /*}*/
    /*.prize-list .prize-item:nth-child(5) {*/
    /*top: 9.2125rem;*/
    /*left: 4.4rem;*/
    /*transform: rotate(-160deg);*/
    /*}*/
    /*.prize-list .prize-item:nth-child(6) {*/
    /*top: 6.3875rem;*/
    /*left: 1.9rem;*/
    /*transform: rotate(-111deg);*/
    /*}*/
    /*.prize-list .prize-item:nth-child(7) {*/
    /*top: 2.8rem;*/
    /*left: 1.8125rem;*/
    /*transform: rotate(-69deg);*/
    /*}*/
    /*.prize-list .prize-item:nth-child(8) {*/
    /*top: 0;*/
    /*left: 4.5rem;*/
    /*transform: rotate(-20deg);*/
    /*}*/

    .prize-item {
      /*width: 2.1875rem;*/
      height: 2.5rem;
      transform-origin: 0% 100%;
    }

    .prize-pic img {
      width: 4.0625rem;
      height: 2.5rem;
      margin-top: 1.5625rem;
    }

    .prize-count {
      font-size: 0.2rem;
      background: red;
      padding: 0.05rem 0.1rem;
    }

    .prize-type {
      font-size: 0.3rem;
      margin: 0.2rem 0;
    }

    .chance {
      width: 100%;
      text-align: center;
      margin: 0.6rem 0;
      color: #fff;
      font-size: 0.3rem;

      span {
        color: red;
        font-size: 0.36rem;
      }
    }

    .lucky-wheel-main {
      width: 100%;
      margin: 0 auto;
      color: #fff;
      font-size: 0.28rem;
      margin-top: 0.5rem;
      margin-bottom: 0.5rem;
      padding: 0 0.6rem;
      box-sizing: border-box;
    }

    .lucky-wheel-main p {
      text-align: left;
      line-height: 0.3rem;
      font-size: 0.22rem;
    }

    .lucky-wheel-main p:first-child {
      font-size: 0.3rem;
      line-height: 0.6rem;
    }

    .main-bg {
      width: 100%;
      height: 6.5625rem;
      position: absolute;
      top: -3.4375rem;
      left: 0;
      background-size: 100%;
    }

    .bg-p {
      width: 100%;
      height: 2.95rem;
      background: rgb(252, 207, 133);
    }

    .content {
      position: absolute;
      top: 0.175rem;
      left: 0;
      background: #ee875a;
      width: 100%;
      height: 5.1875rem;
      font-size: 1.125rem;
      color: #ffeb39;
      padding-left: 6.75rem;
    }

    .content div {
      text-align: left;
    }

    .tip {
      position: relative;
      margin: 2.5rem auto 0;
      width: 17.5rem;
      border: 1px solid #fbc27f;
    }

    .tip-title {
      position: absolute;
      top: -1rem;
      left: 50%;
      transform: translate(-50%, 0);
      font-size: 1rem;
      color: #fccc6e;
      background: rgb(243, 109, 86);
      padding: 0.3125rem 0.625rem;
    }

    .tip-content {
      padding: 1.5625rem 0.625rem;
      font-size: 0.875rem;
      color: #fff8c5;
      line-height: 1.5;
    }

    .toast-mask {
      position: fixed;
      top: 0;
      left: 0;
      background: rgba(0, 0, 0, 0.6);
      z-index: 10000;
      width: 100%;
      height: 100%;
    }

    .toast {
      position: fixed;
      top: 50%;
      left: 50%;
      z-index: 20000;
      transform: translate(-50%, -50%);
      width: 5rem;
      background: #fff;
      border-radius: 0.3125rem;
      padding: 0.3125rem;
      background-color: rgb(252, 244, 224);
    }

    .toast-container {
      position: relative;
      width: 100%;
      height: 100%;
      border: 1px dotted #fccc6e;
    }

    .toast-picture {
      position: absolute;
      top: -2.5rem;
      left: -0.2rem;
      width: 6rem;
      height: 2.74rem;
    }

    .toast-pictrue-change {
      position: absolute;
      top: -1.5rem;
      left: -1.375rem;
      width: 17.5rem;
      height: 3.125rem;
    }

    .toast-title {
      padding: 0.5rem 0;
      font-size: 18px;
      color: #fc7939;
      text-align: center;
    }

    .toast-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 0.16rem;
    }

    .toast-btn div {
      background-image: -moz-linear-gradient(
        -18deg,
        rgb(242, 148, 85) 0%,
        rgb(252, 124, 88) 51%,
        rgb(252, 124, 88) 99%
      );

      background-image: -ms-linear-gradient(
        -18deg,
        rgb(242, 148, 85) 0%,
        rgb(252, 124, 88) 51%,
        rgb(252, 124, 88) 99%
      );
      background-image: -webkit-linear-gradient(
        -18deg,
        rgb(242, 148, 85) 0%,
        rgb(252, 124, 88) 51%,
        rgb(252, 124, 88) 99%
      );
      box-shadow: 0px 4px 0px 0px rgba(174, 34, 5, 0.7);
      width: 1.5rem;
      height: 0.6rem;
      border-radius: 0.6rem;
      text-align: center;
      line-height: 0.6rem;
      color: #fff;
    }

    .close {
      position: absolute;
      top: -0.3rem;
      right: -0.3rem;
      width: 0.64rem;
      height: 0.64rem;
      background: url("../../../assets/img/close_store.png") no-repeat center top;
      background-size: 100%;
    }

    :root {
      --color1: black;
      --color2: rgb(248, 228, 47);
      --radius: 1.4rem;
    }

    .sector {
      width: calc(var(--radius) * 2);
      height: calc(var(--radius) * 2);
      position: absolute;
      clip: rect(0 2.8rem 2.8rem 1.4rem); /*上右下左*/
      overflow: hidden;
    }

    .sector::after {
      content: '';
      width: 100%;
      height: 100%;
      background: var(--color2);
      position: absolute;
      border-radius: 50%;
      clip: rect(0 1.4rem 2.8rem 0);
      background: var(--color2);
      transform: rotate(30deg);
    }

    .sector:nth-of-type(1) {
      transform: rotate(0deg);

    }

    .sector:nth-of-type(1)::after {
      background: red
    }

    .sector:nth-of-type(2) {
      transform: rotate(30deg);
    }

    .sector:nth-of-type(3) {
      transform: rotate(210deg);
    }

    .warning {
      width: calc(var(--radius) * 2);
      height: calc(var(--radius) * 2);

      border-radius: 50%;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }
  }
</style>
